Top Iranian commander of the Revolutionary Guard's Quds Force, Qasem Soleimani, has been killed in a US strike on Baghdad's international airport in a dramatic escalation of tensions between the two countries. Iran’s supreme leader has vowed "severe revenge" and that the US will bear responsibility for the consequences. Trump tweeted an American flag after the attack. The killing risks 'dangerous escalation', says Speaker of the House Nancy Pelosi. The US Congress was not notified ahead of the S